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Home/Authors/Yuchen Li

Yuchen Li

6 indexed papers

Recent (6 mo)
6
With code
0
Influential cites
0
Benchmarked
0

Publications per year

6
26

Top categories

AI×5ML×2Distributed×1Neural Computing×1Crypto×1

Frequent co-authors

Yuchen Liu2×
Jianwen Xian1×
Zhiyuan Xu1×
Ziliang Lai1×
Kang He1×
Zhen Huang1×

Research Timeline

2026
AdaBFL: Multi-Layer Defensive Adaptive Aggregation for Bzantine-Robust Federated Learning

The paper proposes AdaBFL, a multi-layer defensive adaptive aggregation method that enhances Byzantine-robust federated learning by adaptively adjusting defense weights to counter complex poisoning attacks.

Masked Diffusion Modeling for Anomaly Detection

The paper proposes MaskDiff-AD, a forward-only masked diffusion model trained on nominal data to achieve state-of-the-art anomaly detection across various categorical, mixed-type, and text datasets.

Beyond Trajectory Rewards: Step-level Credit Assignment for Agentic Search via Graph Modeling

The paper introduces Graph-Distance Contribution Reward (GDCR) and Step Advantage Policy Optimization (SAPO) to provide fine-grained, step-level credit assignment for agentic search by modeling world knowledge as a latent graph.

Joint Agent Memory and Exploration Learning via Novelty Signals

The JAMEL framework addresses the challenge of effective exploration in open-ended environments by jointly training agent memory and exploration policies using natural, novelty-driven signals.

Search Hardness-Aware LLM-Based Problem Formulation for Expensive Simulation-Driven Design

This paper proposes SHA-PF, a search hardness-aware LLM-based problem formulation framework for expensive simulation-driven design, which prioritizes rare samples with greater progress potential and requires significantly fewer evaluations to reach design requirements.

X-Stage: An Overlooked Pipeline Stage for Communication-Computation Overlap in DiT Inference

This paper introduces X-Stage, a software-visible post-issue pipeline stage to improve communication efficiency in distributed diffusion transformer (DiT) inference, leading to significant speedups for DeepGEMM MegaMoE and Ulysses sequence-parallel attention.

Highlighted terms show continued research focus across papers

Papers

cs.DCcs.AIEmpiricalRecentJul 25, 2026

X-Stage: An Overlooked Pipeline Stage for Communication-Computation Overlap in DiT Inference

Jianwen Xian, Zhiyuan Xu, Yuchen Li, Ziliang Lai +7 more

This paper introduces X-Stage, a software-visible post-issue pipeline stage to improve communication efficiency in distributed diffusion transformer (DiT) inference, leading to significant speedups fo…

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cs.NEEmpirical
Recent
Jul 23, 2026

Search Hardness-Aware LLM-Based Problem Formulation for Expensive Simulation-Driven Design

Yuchen Li, Handing Wang, Bing Xue, Mengjie Zhang

This paper proposes SHA-PF, a search hardness-aware LLM-based problem formulation framework for expensive simulation-driven design, which prioritizes rare samples with greater progress potential and r…

View →
cs.AIRecentJun 1, 2026

Joint Agent Memory and Exploration Learning via Novelty Signals

Shizuo Tian, Xiaohong Weng, Rui Kong, Yuxuan Chen +8 more

The JAMEL framework addresses the challenge of effective exploration in open-ended environments by jointly training agent memory and exploration policies using natural, novelty-driven signals.

View →
cs.LGcs.AIRecentMay 28, 2026

Masked Diffusion Modeling for Anomaly Detection

Lixing Zhang, Yuchen Liang, Liyan Xie

The paper proposes MaskDiff-AD, a forward-only masked diffusion model trained on nominal data to achieve state-of-the-art anomaly detection across various categorical, mixed-type, and text datasets.

View →
cs.AIRecentMay 28, 2026

Beyond Trajectory Rewards: Step-level Credit Assignment for Agentic Search via Graph Modeling

Yuchen Liu, Yingjie Feng, Lixiong Qin, Jiasi Chen +4 more

The paper introduces Graph-Distance Contribution Reward (GDCR) and Step Advantage Policy Optimization (SAPO) to provide fine-grained, step-level credit assignment for agentic search by modeling world…

View →
cs.LGcs.AIcs.CRRecentApr 30, 2026

AdaBFL: Multi-Layer Defensive Adaptive Aggregation for Bzantine-Robust Federated Learning

Zehui Tang, Yuchen Liu, Feihu Huang

The paper proposes AdaBFL, a multi-layer defensive adaptive aggregation method that enhances Byzantine-robust federated learning by adaptively adjusting defense weights to counter complex poisoning at…

View →